A new host record forTachinaephagus zealandicus [Hym.: Encyrtidae] - C. S. Gold; D. L. Dahlsten (BioControl, 1981)

Effect of hosts and parasite density on the egg parasiteTrichogramma pretiosum [Hym.: Trichogrammatidae] - Rami Kfir (BioControl, 1981)

On the identity and systematic position of the genusDirphys [Hym.: Aphelinidae] - M. Hayat (BioControl, 1981)

La prédation du CopépodeMesocyclops leuckarti pilosa [Crustacea] sur les larves deAedes (stegomyia) aegypti et deAe. (St.) polynesiensis [Dip.: Culicidae]. Essais préliminaires d'utilisation comme agent de lutte biologique - F. Riviere; R. Thirel (BioControl, 1981)

Natural infection ofTetranychus evansi [Acarina: Tetranychidae] by aTriplosporium sp [Zygomycetes: Entomophthorales] in northeastern Brazil - R. A. Humber; G. J. Moraes; J. M. Santos (BioControl, 1981)

Biologie des pucerons des céréales dans l'ouest de la France II. Répartition spatio-temporelle et action limitative de trois espèces d'Entomophthoraceae - C. A. Dedryver (BioControl, 1981)

Parasites of bark beetles [Col.: Scolytidae] on pine and cypress in Israel - Z. Mendel; J. Halperin (BioControl, 1981)

Setal patterns of the wings ofAphelinus, Mesidia, andMesidiopsis [hym.: aphelinidae], their values as taxonomic characters - R. D. Hennessey (BioControl, 1981)

Aerial dispersal ofScelio fulgidus [Hym.: Scelionidae], parasite of eggs of locusts and grasshoppers [Ort.: Acrididae] - R. A. Farrow (BioControl, 1981)

Regulation of host larval development by the egg-larval endoparasitoidChelonus insularis [Hym.: Braconidae] - J. R. Ables; S. Bradleigh Vinson (BioControl, 1981)

The parasitoid complex of three noctuids [Lep.] in a northern Florida cropping system: Seasonal occurrence, parasitization, alternate hosts, and influence of host-habitat - P. B. Martin; P. D. Lingren; G. L. Greene; E. E. Grissell (BioControl, 1981)

Key to palaearctic species of the genusPsyllaephagus [Hym.:Encyrtidae] - V. A. Trjapitzin (BioControl, 1981)

Tolypocladium cylindrosporum [Deuteromycetes,Moniliaceae] a new pathogen of mosquito larvae - J. Weiser; J. S. Pillai (BioControl, 1981)

Massenproduktion und anwendung vonTrichogramma 1. Produktion des WirtesSitotroga cerealella - S. A. Hassan (BioControl, 1981)

The effects of a granulosis virus infection and temperature on the food consumption ofPierus rapae [Lep.: Pieridae] - G. M. Tatchell (BioControl, 1981)

Hymenopterous EGG-pupal and larval-pupal parasitoids ofCeratitis capitata andAnastrepha spp. [Dip.: Tephritidae] in Costa Rica - R. A. Wharton; F. E. Gilstrap; R. H. Rhode; M. Fischel-m; W. G. Hart (BioControl, 1981)

ThePassiflora problem in Hawaii; prospects and problems of controlling the forest weedP. Mollissima [Passifloraceae] with heliconiine butterflies - J. K. Waage; J. T. Smiley; L. E. Gilbert (BioControl, 1981)

Observations on the heliotrope flea beetle,Longitarsus albineus [Col.:Chrysomelidae] with tests of its host specificity - J. T. Huber (BioControl, 1981)

Influence of different temperatures on the tachinid parastite,Sturmiopsis inferens [Dip.] - H. David; S. Easwaramoorthy; V. Nandagopal; N. K. Kurup; M. Shanmugasundaram; G. Santhalakshmi (BioControl, 1981)

Études histologiques et ultrastructurales des larves dePandemis heparana [Lep. Tortricidae] au cours des stades avancés d'une baculovirose due a un nouveau virus inducteur de diapause - Augusta Amargier; S. Abol-Ela; S. Vergara; G. Meynadier; D. Martouret; G. Croizier (BioControl, 1981)

Host stage preference for depositon of male eggs byCoccophagus cowperi [Hym.: Aphelinaidae] - B. M. Wilk; C. Y. Kitayama (BioControl, 1981)

Données sur la biologie deCoelophora quadrivittata [Col.: Coccinellidae], prédateur deCoccus viridis [Hom.: Coccidae] en Nouvelle-Calédonie - J. Chazeau (BioControl, 1981)

A new species ofPseudaphycus [Hym.: Encyrtidae], with notes on theAngelicus group - David Rosen (BioControl, 1981)

Étude du comportement de plusieurs souches deConidiobolus obscurus [ZygomycètesEntomophthoraceae] vis-a-vis des puceronsAcyrthosiphon pisum etSitobion avenae [Hom.: Aphididae] - B. Papierok; N. Wilding (BioControl, 1981)

Searching and ovipositional behavior ofAmitus hesperidum [Hym.: Platygasteridae] andEncarsia opulenta [Hym.: Aphelinidae] parasitoids of the citrus blackfly [Hom.: Aleyrodidae] - R. V. Dowell; D. Puckett; Martha Johnson (BioControl, 1981)

Interactive behavior ofOrius insidiosus [Hem.: Anthocoridae] andSericothrips variabilis [Thys.: Thripidae]: Predator searching strategies and prey escape tactics - D. J. Isenhour; K. V. Yeargan (BioControl, 1981)

Histopathologie de l'action de la δ-endotoxine deBacillus thuringiensis var.Israelensis sur les larves d'Aedes aegypti (Dip.:Culicidae) - J. F. Charles; Huguette Barjac (BioControl, 1981)

Developed resistance to azinphosmethyl in a predator-prey mite system in greenhouse experiments - J. G. Morse; B. A. Croft (BioControl, 1981)

Insecticidal activity ofBacillus thuringiensis strains against the egyptian cotton leaf wormSpodoptera littoralis [Lep.: Nocutidae] - B. Sneh; Silvia Schuster; M. Broza (BioControl, 1981)

Écologie comparée des entomophthoracées pathogènes de pucerons en france littorale et continentale - G. Remaudière; J. -P. Latgé; Marie-France Michel (BioControl, 1981)

Activité comparée de 22 variétés deBacillus thuringiensis sur 3 espèces deCulicidae - Isabelle Larget; Huguette Barjac (BioControl, 1981)

Establishment of the imported parasiteProspaltella perniciosi [Hym.: Aphelinidae] onQuadraspidiotus perniciosus [Hom.: Diaspididae] in Greece - Loukia C. Argyriou (BioControl, 1981)

Longevity and reproductive rate ofPatasson lameerei [Hym.: Mymaridae], a parasitoid ofSitona spp. [Col.: Curculionidae] eggs - K. V. Yeargan; Christine I. Shuck (BioControl, 1981)

Apple orchard tests on the efficacy of the granulosis virus of the codling moth,Laspeyresia pomonella [Lep.: Olethreutidae] - R. P. Jaques; J. E. Laing; C. R. MacLellan; M. D. Proverbs; K. H. Sanford; R. Trottier (BioControl, 1981)

Élevage dePimpla instigator [Hym.: Ichneumonidae] dans des conditions artificielles: I. Ponte dans un leurre - J. Tersac; J. Guerdoux (BioControl, 1981)

Host discrimination byChelonus insularis [Hym.: Braconidae], telenomus heliothidis [Hym.: Scelionidae], andTrichogramma pretiosum [Hym.: Trichogrammatidae] - J. R. Ables; S. B. Vinson; J. S. Ellis (BioControl, 1981)

Zoophthora radicans andZoophthora petchi sp. nov. [Zygomycetes: Entomophthorales], two species of the “Sphaerosperma group” attacking leaf-hoppers and frog-hoppers [Hom.] - I. Ben-Ze'ev; R. G. Kenneth (BioControl, 1981)

Diagnostic manual for the identification of insect pathogens - B. Hurpin (BioControl, 1981)

The effects of serial passage of a nucleopolyhedrosis virus through an alternate host system - O. H. Pavan; D. G. Boucias; J. C. Pendland (BioControl, 1981)

Hyphomycètes prédateurs de nématodes dans une prairie du Limousin - Michèle Peloille (BioControl, 1981)

Utilisation de HT18O pour mesurer la consommation alimentaire chez les larves agées deSemiadalia iinotata [Col.: Coccinellidae] - A. Ferran; A. Buscarlet; M. M. Larroque (BioControl, 1981)

Augmentative release ofLixophaga diatraeae [Dip.: Tachnidae] for suppression of early-season sugarcane borer populations in Louisiana - E. G. King; J. Sanford; J. W. Smith; D. F. Martin (BioControl, 1981)

Sensibilité comparée, en fonction de leur âge, des chenilles deLymantria dispar, Mamestra brassicae etSpopoptera littoralis aux virus de la polyédrose nucléaire - A. Burgerjon; G. Biache; Josette Chaufaux; Zoé Petré (BioControl, 1981)

The parasitoids ofSpodoptera littoralis [Lep.: Noctuidae] and their role in population control in Cyprus - W. R. Ingram (BioControl, 1981)

Caractérisation enzymatique deTrichogramma evanescens et deT. Maidis [Hym.: Trichogrammatidae]; Étude des hybrides - B. Pintureau; M. Babault (BioControl, 1981)

A comparative study of the effect of some pesticides on three predacious mite species:Typhlodromus pyri, Amblyseius potentillae andA. bibens [Acarina: Phytoseiidae] - W. P. J. Overmeer; A. Q. Zon (BioControl, 1981)

Cross-infectivity and activation studies with four baculoviruses - D. J. McKinley; D. A. Brown; C. C. Payne; K. A. Harrap (BioControl, 1981)

Sex ratios of adultScymnodes lividigaster andLeptothea galbula [Col.: Coccinellidae], sampled in the field - J. M. E. Anderson (BioControl, 1981)